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How to check bathing-water information
Find the official bathing-water information for England, Scotland, Wales and Northern Ireland and understand its limits.
Official bathing-water monitoring applies to designated sites, follows each nation’s system and season, and cannot describe every place people swim. Results and classifications help explain monitoring; they are not a real-time guarantee for the exact place or moment you visit.
Official sources by nation
- England: Environment Agency Swimfo
- Scotland: SEPA bathing waters
- Wales: Natural Resources Wales
- Northern Ireland: DAERA water quality information
Use current local advice
Check the latest official information and signs at the site. Rainfall, runoff and pollution events can affect water quality; alerts, monitoring frequency and bathing seasons differ across the four nations. Do not rely on appearance alone. We link to official information but do not give water-quality verdicts.